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An investigation to find the concentration, in g/dm³, of a limewater solution. I will be provided with 250cm³ of limewater which has been made such that it contains approximately 1g dm?³ of calcium hydroxide. Also available is hydrochloric acid which has a concentration of exactly 2.00 mol dm ?³. This acid is too concentrated and will need to be diluted. In order to determine the concentration, in g dm ?³, of limewater I will perform a titration using a burette. This is a suitable experiment because limewater contains calcium hydroxide which is alkaline, and hydrochloric acid is acidic, therefore if acid is added to alkali, the solution will neutralise. An indicator will show exactly when the solution neutralises by turning colourless, thus a concentration can be found by using the volumes used in the experiment, the equation for the reaction and my knowledge of moles calculations. Page 4...

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